Miscellaneous articles, products and parts of marine equipment: ship's round steel portholes

Application: closing of openings on ships and watercrafts. Designed to provide the necessary view from the premises, as well as to provide light and air access to the rooms in which they are installed.
Types: water-gas-tight heavy, normal, lightweight.
Types: inboard (blind and casement), universal.
Design: with storm cover, without storm cover; with and without fence.
Dimensions (diameter in light): min Ø200 mah Ø450 mm. Glass thickness from 8 mm to 19 mm.
Method of fastening: by bolts, welding.
Climatic version OM, category I according to GOST 15150: ambient temperature from minus 40? to plus 45?.
Main material :steel